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Geologic maps serve as a valuable tool in resource exploration. Traditional mapping is characterized by time-intensive and high-cost fieldwork, but through multispectral and hyperspectral remotely sensed images it is possible to map extensive areas instantly.
Background
FWHM
Full Width Half Mass (FWHM) is an important concept for understanding how different band values are calculated.
Bandpass filters are used to isolate specific wavelengths. The graph below visualizes the idea of FWHM. Each band in a spectral device only takes in a specific range of wavelengths, often the wavelength for each band is just denoted as the peak, but in reality each sensor is collecting a range of wavelengths. This is determined by denoting the FWHM as the area between the 50% transmittance on either side of the curve.
In this plot you can see all the bands for Landsat 8, Hyperion, and ASTER. With their FWHM denoted as boxes. Its important to point out how Landsat 8 does have a band in the Short Wave Infrared (SWIR), but the FWHM is wide and this means that any SWIR data saved for this band could be attributed to any wavelength inside of the FWHM.
Landsat
Loading in and cropping the imagery:
Now lets make some plots of different mineral groups:
A Sabins Ratio plot can be created by combining these three plots into an RGB profile. This leaves colors show a few different things - -
plotRGB(cropped, r = 8, g = 9, b = 10, axes = FALSE,
stretch = "lin", main = "Sabins Ratio", margins=TRUE)
#adding a legend manually
legend("left", legend = c("Iron-oxide", "clay-hydroxyl", "ferrous"), fill = c("red","green","blue"))
HYPERION
Hyperion data was downloaded from the USGS EARTH EXPLORER as an L1T Product in GeoTiff format
Reading in L1T product
l <- list.files(path="../../Hyperion/sevier_lake/EO1H0380332014325110PZ_1T/",
pattern='TIF$',
full.names=TRUE)
Rasterizing only working bands with the terra package
r <- rast(l[c(8:57,77:224)])
Hyperion Information
| Satellite_Name | Bands | Wavelength_Units | Wavelength_nm | FWHM_nm | Description | Irradiance | Irradiance_Units | Rad_Conv |
|---|---|---|---|---|---|---|---|---|
| Hyperion | B008 | W/m^2 SRμm | 426.82 | 11.3871 | VNIR | 1650.52 | W/m^2-mu | 40 |
| Hyperion | B009 | W/m^2 SRμm | 436.99 | 11.3871 | VNIR | 1714.90 | W/m^2-mu | 40 |
| Hyperion | B010 | W/m^2 SRμm | 447.17 | 11.3871 | VNIR | 1994.52 | W/m^2-mu | 40 |
| Hyperion | B011 | W/m^2 SRμm | 457.34 | 11.3871 | VNIR | 2034.72 | W/m^2-mu | 40 |
| Hyperion | B012 | W/m^2 SRμm | 467.52 | 11.3871 | VNIR | 1970.12 | W/m^2-mu | 40 |
| Hyperion | B013 | W/m^2 SRμm | 477.69 | 11.3871 | VNIR | 2036.22 | W/m^2-mu | 40 |
| Hyperion | B014 | W/m^2 SRμm | 487.87 | 11.3784 | VNIR | 1860.24 | W/m^2-mu | 40 |
| Hyperion | B015 | W/m^2 SRμm | 498.04 | 11.3538 | VNIR | 1953.29 | W/m^2-mu | 40 |
| Hyperion | B016 | W/m^2 SRμm | 508.22 | 11.3133 | VNIR | 1953.55 | W/m^2-mu | 40 |
| Hyperion | B017 | W/m^2 SRμm | 518.39 | 11.2580 | VNIR | 1804.56 | W/m^2-mu | 40 |
| Hyperion | B018 | W/m^2 SRμm | 528.57 | 11.1907 | VNIR | 1905.51 | W/m^2-mu | 40 |
| Hyperion | B019 | W/m^2 SRμm | 538.74 | 11.1119 | VNIR | 1877.50 | W/m^2-mu | 40 |
| Hyperion | B020 | W/m^2 SRμm | 548.92 | 11.0245 | VNIR | 1883.51 | W/m^2-mu | 40 |
| Hyperion | B021 | W/m^2 SRμm | 559.09 | 10.9321 | VNIR | 1821.99 | W/m^2-mu | 40 |
| Hyperion | B022 | W/m^2 SRμm | 569.27 | 10.8368 | VNIR | 1841.92 | W/m^2-mu | 40 |
| Hyperion | B023 | W/m^2 SRμm | 579.45 | 10.7407 | VNIR | 1847.51 | W/m^2-mu | 40 |
| Hyperion | B024 | W/m^2 SRμm | 589.62 | 10.6482 | VNIR | 1779.99 | W/m^2-mu | 40 |
| Hyperion | B025 | W/m^2 SRμm | 599.80 | 10.5607 | VNIR | 1761.45 | W/m^2-mu | 40 |
| Hyperion | B026 | W/m^2 SRμm | 609.97 | 10.4823 | VNIR | 1740.80 | W/m^2-mu | 40 |
| Hyperion | B027 | W/m^2 SRμm | 620.15 | 10.4147 | VNIR | 1708.88 | W/m^2-mu | 40 |
| Hyperion | B028 | W/m^2 SRμm | 630.32 | 10.3595 | VNIR | 1672.09 | W/m^2-mu | 40 |
| Hyperion | B029 | W/m^2 SRμm | 640.50 | 10.3188 | VNIR | 1632.83 | W/m^2-mu | 40 |
| Hyperion | B030 | W/m^2 SRμm | 650.67 | 10.2942 | VNIR | 1591.92 | W/m^2-mu | 40 |
| Hyperion | B031 | W/m^2 SRμm | 660.85 | 10.2856 | VNIR | 1557.66 | W/m^2-mu | 40 |
| Hyperion | B032 | W/m^2 SRμm | 671.02 | 10.2980 | VNIR | 1525.41 | W/m^2-mu | 40 |
| Hyperion | B033 | W/m^2 SRμm | 681.20 | 10.3349 | VNIR | 1470.93 | W/m^2-mu | 40 |
| Hyperion | B034 | W/m^2 SRμm | 691.37 | 10.3909 | VNIR | 1450.37 | W/m^2-mu | 40 |
| Hyperion | B035 | W/m^2 SRμm | 701.55 | 10.4592 | VNIR | 1393.18 | W/m^2-mu | 40 |
| Hyperion | B036 | W/m^2 SRμm | 711.72 | 10.5322 | VNIR | 1372.75 | W/m^2-mu | 40 |
| Hyperion | B037 | W/m^2 SRμm | 721.90 | 10.6004 | VNIR | 1235.63 | W/m^2-mu | 40 |
| Hyperion | B038 | W/m^2 SRμm | 732.07 | 10.6562 | VNIR | 1266.13 | W/m^2-mu | 40 |
| Hyperion | B039 | W/m^2 SRμm | 742.25 | 10.6933 | VNIR | 1279.02 | W/m^2-mu | 40 |
| Hyperion | B040 | W/m^2 SRμm | 752.43 | 10.7058 | VNIR | 1265.22 | W/m^2-mu | 40 |
| Hyperion | B041 | W/m^2 SRμm | 762.60 | 10.7276 | VNIR | 1235.37 | W/m^2-mu | 40 |
| Hyperion | B042 | W/m^2 SRμm | 772.78 | 10.7907 | VNIR | 1202.29 | W/m^2-mu | 40 |
| Hyperion | B043 | W/m^2 SRμm | 782.95 | 10.8833 | VNIR | 1194.08 | W/m^2-mu | 40 |
| Hyperion | B044 | W/m^2 SRμm | 793.13 | 10.9938 | VNIR | 1143.60 | W/m^2-mu | 40 |
| Hyperion | B045 | W/m^2 SRμm | 803.30 | 11.1044 | VNIR | 1128.16 | W/m^2-mu | 40 |
| Hyperion | B046 | W/m^2 SRμm | 813.48 | 11.1980 | VNIR | 1108.48 | W/m^2-mu | 40 |
| Hyperion | B047 | W/m^2 SRμm | 823.65 | 11.2600 | VNIR | 1068.50 | W/m^2-mu | 40 |
| Hyperion | B048 | W/m^2 SRμm | 833.83 | 11.2824 | VNIR | 1039.70 | W/m^2-mu | 40 |
| Hyperion | B049 | W/m^2 SRμm | 844.00 | 11.2822 | VNIR | 1023.84 | W/m^2-mu | 40 |
| Hyperion | B050 | W/m^2 SRμm | 854.18 | 11.2816 | VNIR | 938.96 | W/m^2-mu | 40 |
| Hyperion | B051 | W/m^2 SRμm | 864.35 | 11.2809 | VNIR | 949.97 | W/m^2-mu | 40 |
| Hyperion | B052 | W/m^2 SRμm | 874.53 | 11.2797 | VNIR | 949.74 | W/m^2-mu | 40 |
| Hyperion | B053 | W/m^2 SRμm | 884.70 | 11.2782 | VNIR | 929.54 | W/m^2-mu | 40 |
| Hyperion | B054 | W/m^2 SRμm | 894.88 | 11.2771 | VNIR | 917.32 | W/m^2-mu | 40 |
| Hyperion | B055 | W/m^2 SRμm | 905.05 | 11.2765 | VNIR | 892.69 | W/m^2-mu | 40 |
| Hyperion | B056 | W/m^2 SRμm | 915.23 | 11.2756 | VNIR | 877.59 | W/m^2-mu | 40 |
| Hyperion | B057 | W/m^2 SRμm | 925.41 | 11.2754 | VNIR | 834.60 | W/m^2-mu | 40 |
| Hyperion | B077 | W/m^2 SRμm | 912.45 | 11.0457 | SWIR | 876.10 | W/m^2-mu | 80 |
| Hyperion | B078 | W/m^2 SRμm | 922.54 | 11.0457 | SWIR | 839.34 | W/m^2-mu | 80 |
| Hyperion | B079 | W/m^2 SRμm | 932.64 | 11.0457 | SWIR | 841.54 | W/m^2-mu | 80 |
| Hyperion | B080 | W/m^2 SRμm | 942.73 | 11.0457 | SWIR | 810.20 | W/m^2-mu | 80 |
| Hyperion | B081 | W/m^2 SRμm | 952.82 | 11.0457 | SWIR | 802.22 | W/m^2-mu | 80 |
| Hyperion | B082 | W/m^2 SRμm | 962.91 | 11.0457 | SWIR | 784.44 | W/m^2-mu | 80 |
| Hyperion | B083 | W/m^2 SRμm | 972.99 | 11.0457 | SWIR | 772.22 | W/m^2-mu | 80 |
| Hyperion | B084 | W/m^2 SRμm | 983.08 | 11.0457 | SWIR | 758.60 | W/m^2-mu | 80 |
| Hyperion | B085 | W/m^2 SRμm | 993.17 | 11.0457 | SWIR | 743.88 | W/m^2-mu | 80 |
| Hyperion | B086 | W/m^2 SRμm | 1003.30 | 11.0457 | SWIR | 721.76 | W/m^2-mu | 80 |
| Hyperion | B087 | W/m^2 SRμm | 1013.30 | 11.0457 | SWIR | 714.26 | W/m^2-mu | 80 |
| Hyperion | B088 | W/m^2 SRμm | 1023.40 | 11.0451 | SWIR | 698.69 | W/m^2-mu | 80 |
| Hyperion | B089 | W/m^2 SRμm | 1033.49 | 11.0423 | SWIR | 682.41 | W/m^2-mu | 80 |
| Hyperion | B090 | W/m^2 SRμm | 1043.59 | 11.0372 | SWIR | 669.61 | W/m^2-mu | 80 |
| Hyperion | B091 | W/m^2 SRμm | 1053.69 | 11.0302 | SWIR | 657.86 | W/m^2-mu | 80 |
| Hyperion | B092 | W/m^2 SRμm | 1063.79 | 11.0218 | SWIR | 643.48 | W/m^2-mu | 80 |
| Hyperion | B093 | W/m^2 SRμm | 1073.89 | 11.0122 | SWIR | 623.13 | W/m^2-mu | 80 |
| Hyperion | B094 | W/m^2 SRμm | 1083.99 | 11.0013 | SWIR | 603.89 | W/m^2-mu | 80 |
| Hyperion | B095 | W/m^2 SRμm | 1094.09 | 10.9871 | SWIR | 582.63 | W/m^2-mu | 80 |
| Hyperion | B096 | W/m^2 SRμm | 1104.19 | 10.9732 | SWIR | 579.58 | W/m^2-mu | 80 |
| Hyperion | B097 | W/m^2 SRμm | 1114.19 | 10.9572 | SWIR | 571.80 | W/m^2-mu | 80 |
| Hyperion | B098 | W/m^2 SRμm | 1124.28 | 10.9418 | SWIR | 562.30 | W/m^2-mu | 80 |
| Hyperion | B099 | W/m^2 SRμm | 1134.38 | 10.9248 | SWIR | 551.40 | W/m^2-mu | 80 |
| Hyperion | B100 | W/m^2 SRμm | 1144.48 | 10.9065 | SWIR | 540.52 | W/m^2-mu | 80 |
| Hyperion | B101 | W/m^2 SRμm | 1154.58 | 10.8884 | SWIR | 534.17 | W/m^2-mu | 80 |
| Hyperion | B102 | W/m^2 SRμm | 1164.68 | 10.8696 | SWIR | 519.74 | W/m^2-mu | 80 |
| Hyperion | B103 | W/m^2 SRμm | 1174.77 | 10.8513 | SWIR | 511.29 | W/m^2-mu | 80 |
| Hyperion | B104 | W/m^2 SRμm | 1184.87 | 10.8335 | SWIR | 497.28 | W/m^2-mu | 80 |
| Hyperion | B105 | W/m^2 SRμm | 1194.97 | 10.8154 | SWIR | 492.82 | W/m^2-mu | 80 |
| Hyperion | B106 | W/m^2 SRμm | 1205.07 | 10.7979 | SWIR | 479.41 | W/m^2-mu | 80 |
| Hyperion | B107 | W/m^2 SRμm | 1215.17 | 10.7822 | SWIR | 479.56 | W/m^2-mu | 80 |
| Hyperion | B108 | W/m^2 SRμm | 1225.17 | 10.7663 | SWIR | 469.01 | W/m^2-mu | 80 |
| Hyperion | B109 | W/m^2 SRμm | 1235.27 | 10.7520 | SWIR | 461.60 | W/m^2-mu | 80 |
| Hyperion | B110 | W/m^2 SRμm | 1245.36 | 10.7385 | SWIR | 451.00 | W/m^2-mu | 80 |
| Hyperion | B111 | W/m^2 SRμm | 1255.46 | 10.7270 | SWIR | 444.06 | W/m^2-mu | 80 |
| Hyperion | B112 | W/m^2 SRμm | 1265.56 | 10.7174 | SWIR | 435.25 | W/m^2-mu | 80 |
| Hyperion | B113 | W/m^2 SRμm | 1275.66 | 10.7091 | SWIR | 429.29 | W/m^2-mu | 80 |
| Hyperion | B114 | W/m^2 SRμm | 1285.76 | 10.7022 | SWIR | 415.69 | W/m^2-mu | 80 |
| Hyperion | B115 | W/m^2 SRμm | 1295.86 | 10.6970 | SWIR | 412.87 | W/m^2-mu | 80 |
| Hyperion | B116 | W/m^2 SRμm | 1305.96 | 10.6946 | SWIR | 405.40 | W/m^2-mu | 80 |
| Hyperion | B117 | W/m^2 SRμm | 1316.05 | 10.6937 | SWIR | 396.94 | W/m^2-mu | 80 |
| Hyperion | B118 | W/m^2 SRμm | 1326.05 | 10.6949 | SWIR | 391.94 | W/m^2-mu | 80 |
| Hyperion | B119 | W/m^2 SRμm | 1336.15 | 10.6996 | SWIR | 386.79 | W/m^2-mu | 80 |
| Hyperion | B120 | W/m^2 SRμm | 1346.25 | 10.7058 | SWIR | 380.65 | W/m^2-mu | 80 |
| Hyperion | B121 | W/m^2 SRμm | 1356.35 | 10.7163 | SWIR | 370.96 | W/m^2-mu | 80 |
| Hyperion | B122 | W/m^2 SRμm | 1366.45 | 10.7283 | SWIR | 365.57 | W/m^2-mu | 80 |
| Hyperion | B123 | W/m^2 SRμm | 1376.55 | 10.7437 | SWIR | 358.42 | W/m^2-mu | 80 |
| Hyperion | B124 | W/m^2 SRμm | 1386.65 | 10.7612 | SWIR | 355.18 | W/m^2-mu | 80 |
| Hyperion | B125 | W/m^2 SRμm | 1396.74 | 10.7807 | SWIR | 349.04 | W/m^2-mu | 80 |
| Hyperion | B126 | W/m^2 SRμm | 1406.84 | 10.8034 | SWIR | 342.10 | W/m^2-mu | 80 |
| Hyperion | B127 | W/m^2 SRμm | 1416.94 | 10.8267 | SWIR | 336.00 | W/m^2-mu | 80 |
| Hyperion | B128 | W/m^2 SRμm | 1426.94 | 10.8534 | SWIR | 325.94 | W/m^2-mu | 80 |
| Hyperion | B129 | W/m^2 SRμm | 1437.04 | 10.8818 | SWIR | 325.71 | W/m^2-mu | 80 |
| Hyperion | B130 | W/m^2 SRμm | 1447.14 | 10.9110 | SWIR | 318.27 | W/m^2-mu | 80 |
| Hyperion | B131 | W/m^2 SRμm | 1457.23 | 10.9422 | SWIR | 312.12 | W/m^2-mu | 80 |
| Hyperion | B132 | W/m^2 SRμm | 1467.33 | 10.9743 | SWIR | 308.08 | W/m^2-mu | 80 |
| Hyperion | B133 | W/m^2 SRμm | 1477.43 | 11.0074 | SWIR | 300.52 | W/m^2-mu | 80 |
| Hyperion | B134 | W/m^2 SRμm | 1487.53 | 11.0414 | SWIR | 292.27 | W/m^2-mu | 80 |
| Hyperion | B135 | W/m^2 SRμm | 1497.63 | 11.0759 | SWIR | 293.28 | W/m^2-mu | 80 |
| Hyperion | B136 | W/m^2 SRμm | 1507.73 | 11.1108 | SWIR | 282.14 | W/m^2-mu | 80 |
| Hyperion | B137 | W/m^2 SRμm | 1517.83 | 11.1461 | SWIR | 285.60 | W/m^2-mu | 80 |
| Hyperion | B138 | W/m^2 SRμm | 1527.92 | 11.1811 | SWIR | 280.41 | W/m^2-mu | 80 |
| Hyperion | B139 | W/m^2 SRμm | 1537.92 | 11.2156 | SWIR | 275.87 | W/m^2-mu | 80 |
| Hyperion | B140 | W/m^2 SRμm | 1548.02 | 11.2496 | SWIR | 271.97 | W/m^2-mu | 80 |
| Hyperion | B141 | W/m^2 SRμm | 1558.12 | 11.2826 | SWIR | 265.73 | W/m^2-mu | 80 |
| Hyperion | B142 | W/m^2 SRμm | 1568.22 | 11.3146 | SWIR | 260.20 | W/m^2-mu | 80 |
| Hyperion | B143 | W/m^2 SRμm | 1578.32 | 11.3460 | SWIR | 251.62 | W/m^2-mu | 80 |
| Hyperion | B144 | W/m^2 SRμm | 1588.42 | 11.3753 | SWIR | 244.11 | W/m^2-mu | 80 |
| Hyperion | B145 | W/m^2 SRμm | 1598.51 | 11.4037 | SWIR | 247.83 | W/m^2-mu | 80 |
| Hyperion | B146 | W/m^2 SRμm | 1608.61 | 11.4302 | SWIR | 242.85 | W/m^2-mu | 80 |
| Hyperion | B147 | W/m^2 SRμm | 1618.71 | 11.4538 | SWIR | 238.15 | W/m^2-mu | 80 |
| Hyperion | B148 | W/m^2 SRμm | 1628.81 | 11.4760 | SWIR | 239.29 | W/m^2-mu | 80 |
| Hyperion | B149 | W/m^2 SRμm | 1638.81 | 11.4958 | SWIR | 227.38 | W/m^2-mu | 80 |
| Hyperion | B150 | W/m^2 SRμm | 1648.90 | 11.5133 | SWIR | 226.69 | W/m^2-mu | 80 |
| Hyperion | B151 | W/m^2 SRμm | 1659.00 | 11.5286 | SWIR | 225.48 | W/m^2-mu | 80 |
| Hyperion | B152 | W/m^2 SRμm | 1669.10 | 11.5404 | SWIR | 218.69 | W/m^2-mu | 80 |
| Hyperion | B153 | W/m^2 SRμm | 1679.20 | 11.5505 | SWIR | 209.07 | W/m^2-mu | 80 |
| Hyperion | B154 | W/m^2 SRμm | 1689.30 | 11.5580 | SWIR | 210.62 | W/m^2-mu | 80 |
| Hyperion | B155 | W/m^2 SRμm | 1699.40 | 11.5621 | SWIR | 206.98 | W/m^2-mu | 80 |
| Hyperion | B156 | W/m^2 SRμm | 1709.50 | 11.5634 | SWIR | 201.59 | W/m^2-mu | 80 |
| Hyperion | B157 | W/m^2 SRμm | 1719.60 | 11.5617 | SWIR | 198.09 | W/m^2-mu | 80 |
| Hyperion | B158 | W/m^2 SRμm | 1729.70 | 11.5563 | SWIR | 191.77 | W/m^2-mu | 80 |
| Hyperion | B159 | W/m^2 SRμm | 1739.70 | 11.5477 | SWIR | 184.02 | W/m^2-mu | 80 |
| Hyperion | B160 | W/m^2 SRμm | 1749.79 | 11.5346 | SWIR | 184.91 | W/m^2-mu | 80 |
| Hyperion | B161 | W/m^2 SRμm | 1759.89 | 11.5193 | SWIR | 182.75 | W/m^2-mu | 80 |
| Hyperion | B162 | W/m^2 SRμm | 1769.99 | 11.5002 | SWIR | 180.09 | W/m^2-mu | 80 |
| Hyperion | B163 | W/m^2 SRμm | 1780.09 | 11.4789 | SWIR | 175.18 | W/m^2-mu | 80 |
| Hyperion | B164 | W/m^2 SRμm | 1790.19 | 11.4548 | SWIR | 173.00 | W/m^2-mu | 80 |
| Hyperion | B165 | W/m^2 SRμm | 1800.29 | 11.4279 | SWIR | 168.87 | W/m^2-mu | 80 |
| Hyperion | B166 | W/m^2 SRμm | 1810.38 | 11.3994 | SWIR | 165.19 | W/m^2-mu | 80 |
| Hyperion | B167 | W/m^2 SRμm | 1820.48 | 11.3688 | SWIR | 156.30 | W/m^2-mu | 80 |
| Hyperion | B168 | W/m^2 SRμm | 1830.58 | 11.3366 | SWIR | 159.01 | W/m^2-mu | 80 |
| Hyperion | B169 | W/m^2 SRμm | 1840.58 | 11.3036 | SWIR | 155.22 | W/m^2-mu | 80 |
| Hyperion | B170 | W/m^2 SRμm | 1850.68 | 11.2696 | SWIR | 152.62 | W/m^2-mu | 80 |
| Hyperion | B171 | W/m^2 SRμm | 1860.78 | 11.2363 | SWIR | 149.14 | W/m^2-mu | 80 |
| Hyperion | B172 | W/m^2 SRμm | 1870.87 | 11.2007 | SWIR | 141.63 | W/m^2-mu | 80 |
| Hyperion | B173 | W/m^2 SRμm | 1880.98 | 11.1666 | SWIR | 139.43 | W/m^2-mu | 80 |
| Hyperion | B174 | W/m^2 SRμm | 1891.07 | 11.1333 | SWIR | 139.22 | W/m^2-mu | 80 |
| Hyperion | B175 | W/m^2 SRμm | 1901.17 | 11.1018 | SWIR | 137.97 | W/m^2-mu | 80 |
| Hyperion | B176 | W/m^2 SRμm | 1911.27 | 11.0714 | SWIR | 136.73 | W/m^2-mu | 80 |
| Hyperion | B177 | W/m^2 SRμm | 1921.37 | 11.0424 | SWIR | 133.96 | W/m^2-mu | 80 |
| Hyperion | B178 | W/m^2 SRμm | 1931.47 | 11.0155 | SWIR | 130.29 | W/m^2-mu | 80 |
| Hyperion | B179 | W/m^2 SRμm | 1941.57 | 10.9912 | SWIR | 124.50 | W/m^2-mu | 80 |
| Hyperion | B180 | W/m^2 SRμm | 1951.57 | 10.9698 | SWIR | 124.75 | W/m^2-mu | 80 |
| Hyperion | B181 | W/m^2 SRμm | 1961.66 | 10.9508 | SWIR | 123.92 | W/m^2-mu | 80 |
| Hyperion | B182 | W/m^2 SRμm | 1971.76 | 10.9355 | SWIR | 121.95 | W/m^2-mu | 80 |
| Hyperion | B183 | W/m^2 SRμm | 1981.86 | 10.9230 | SWIR | 118.96 | W/m^2-mu | 80 |
| Hyperion | B184 | W/m^2 SRμm | 1991.96 | 10.9139 | SWIR | 117.78 | W/m^2-mu | 80 |
| Hyperion | B185 | W/m^2 SRμm | 2002.06 | 10.9083 | SWIR | 115.56 | W/m^2-mu | 80 |
| Hyperion | B186 | W/m^2 SRμm | 2012.15 | 10.9069 | SWIR | 114.52 | W/m^2-mu | 80 |
| Hyperion | B187 | W/m^2 SRμm | 2022.25 | 10.9057 | SWIR | 111.65 | W/m^2-mu | 80 |
| Hyperion | B188 | W/m^2 SRμm | 2032.35 | 10.9013 | SWIR | 109.21 | W/m^2-mu | 80 |
| Hyperion | B189 | W/m^2 SRμm | 2042.45 | 10.8951 | SWIR | 107.69 | W/m^2-mu | 80 |
| Hyperion | B190 | W/m^2 SRμm | 2052.45 | 10.8854 | SWIR | 106.13 | W/m^2-mu | 80 |
| Hyperion | B191 | W/m^2 SRμm | 2062.55 | 10.8740 | SWIR | 103.70 | W/m^2-mu | 80 |
| Hyperion | B192 | W/m^2 SRμm | 2072.65 | 10.8591 | SWIR | 102.42 | W/m^2-mu | 80 |
| Hyperion | B193 | W/m^2 SRμm | 2082.75 | 10.8429 | SWIR | 100.42 | W/m^2-mu | 80 |
| Hyperion | B194 | W/m^2 SRμm | 2092.84 | 10.8242 | SWIR | 98.27 | W/m^2-mu | 80 |
| Hyperion | B195 | W/m^2 SRμm | 2102.94 | 10.8039 | SWIR | 97.37 | W/m^2-mu | 80 |
| Hyperion | B196 | W/m^2 SRμm | 2113.04 | 10.7820 | SWIR | 95.44 | W/m^2-mu | 80 |
| Hyperion | B197 | W/m^2 SRμm | 2123.14 | 10.7592 | SWIR | 93.55 | W/m^2-mu | 80 |
| Hyperion | B198 | W/m^2 SRμm | 2133.24 | 10.7342 | SWIR | 92.35 | W/m^2-mu | 80 |
| Hyperion | B199 | W/m^2 SRμm | 2143.34 | 10.7092 | SWIR | 90.93 | W/m^2-mu | 80 |
| Hyperion | B200 | W/m^2 SRμm | 2153.34 | 10.6834 | SWIR | 89.37 | W/m^2-mu | 80 |
| Hyperion | B201 | W/m^2 SRμm | 2163.43 | 10.6572 | SWIR | 84.64 | W/m^2-mu | 80 |
| Hyperion | B202 | W/m^2 SRμm | 2173.53 | 10.6312 | SWIR | 85.47 | W/m^2-mu | 80 |
| Hyperion | B203 | W/m^2 SRμm | 2183.63 | 10.6052 | SWIR | 84.49 | W/m^2-mu | 80 |
| Hyperion | B204 | W/m^2 SRμm | 2193.73 | 10.5803 | SWIR | 83.43 | W/m^2-mu | 80 |
| Hyperion | B205 | W/m^2 SRμm | 2203.83 | 10.5560 | SWIR | 81.62 | W/m^2-mu | 80 |
| Hyperion | B206 | W/m^2 SRμm | 2213.93 | 10.5328 | SWIR | 80.67 | W/m^2-mu | 80 |
| Hyperion | B207 | W/m^2 SRμm | 2224.03 | 10.5101 | SWIR | 79.32 | W/m^2-mu | 80 |
| Hyperion | B208 | W/m^2 SRμm | 2234.12 | 10.4904 | SWIR | 78.11 | W/m^2-mu | 80 |
| Hyperion | B209 | W/m^2 SRμm | 2244.22 | 10.4722 | SWIR | 76.69 | W/m^2-mu | 80 |
| Hyperion | B210 | W/m^2 SRμm | 2254.22 | 10.4552 | SWIR | 75.35 | W/m^2-mu | 80 |
| Hyperion | B211 | W/m^2 SRμm | 2264.32 | 10.4408 | SWIR | 74.15 | W/m^2-mu | 80 |
| Hyperion | B212 | W/m^2 SRμm | 2274.42 | 10.4285 | SWIR | 73.25 | W/m^2-mu | 80 |
| Hyperion | B213 | W/m^2 SRμm | 2284.52 | 10.4197 | SWIR | 71.67 | W/m^2-mu | 80 |
| Hyperion | B214 | W/m^2 SRμm | 2294.61 | 10.4129 | SWIR | 70.13 | W/m^2-mu | 80 |
| Hyperion | B215 | W/m^2 SRμm | 2304.71 | 10.4088 | SWIR | 69.52 | W/m^2-mu | 80 |
| Hyperion | B216 | W/m^2 SRμm | 2314.81 | 10.4077 | SWIR | 68.28 | W/m^2-mu | 80 |
| Hyperion | B217 | W/m^2 SRμm | 2324.91 | 10.4077 | SWIR | 66.39 | W/m^2-mu | 80 |
| Hyperion | B218 | W/m^2 SRμm | 2335.01 | 10.4077 | SWIR | 65.76 | W/m^2-mu | 80 |
| Hyperion | B219 | W/m^2 SRμm | 2345.11 | 10.4077 | SWIR | 65.23 | W/m^2-mu | 80 |
| Hyperion | B220 | W/m^2 SRμm | 2355.21 | 10.4077 | SWIR | 63.09 | W/m^2-mu | 80 |
| Hyperion | B221 | W/m^2 SRμm | 2365.20 | 10.4077 | SWIR | 62.90 | W/m^2-mu | 80 |
| Hyperion | B222 | W/m^2 SRμm | 2375.30 | 10.4077 | SWIR | 61.68 | W/m^2-mu | 80 |
| Hyperion | B223 | W/m^2 SRμm | 2385.40 | 10.4077 | SWIR | 60.00 | W/m^2-mu | 80 |
| Hyperion | B224 | W/m^2 SRμm | 2395.50 | 10.4077 | SWIR | 59.94 | W/m^2-mu | 80 |
Correcting Imagery
When downloading Hyperion imagery it is stored with DN values. Using information from the metadata you can correct this to surface reflectance.
md <- read_lines("../../Hyperion/sevier_lake/EO1H0380332014325110PZ_1T/EO1H0380332014325110PZ_MTL_L1T.TXT")
julian_day <- as.numeric(word(md[18], 8)) #julian day
d <- (1-0.01672*cos(0.9865*(julian_day-4))) #earth sun distance in astronomical distance
sun_elevation <- as.numeric(word(md[300],7)) #sun elevation
s <- (90-sun_elevation) #solar zenith angle in degrees
Equation to correct Hyperion DN values into surface reflectance values
#correcting to surface reflectance
Surf_Reflectance = (pi*(r/Hyperion_Bands$Rad_Conv)*d^2)/(cos(s*pi/180)*Hyperion_Bands$Irradiance)
Now we can plot using three bands to create an RGB image
Surf_Reflectance %>%
plotRGB(r=31,g=20,b=10,stretch = "lin")
Spectral Library
Inserting spectral library from USGS
Here’s all the minerals in the USGS spectral library for Hyperion:| acmite | actinolite | adularia | albite | allanite | almandine | alunite |
| ammonio | amphibole | analcime | ancylite | andalusite | andesine | andradite |
| anhydrite | annite | anorthite | anthophyllite | antigorite | aragonite | arsenopyrite |
| augite | axinite | azurite | barite | bassanite | bastnaesite | beidellite |
| beryl | biotite | bloedite | bronzite | brookite | brucite | buddingtonite |
| butlerite | bytownite | calcite | carbon | carnallite | cassiterite | celestite |
| chalcedony | chalcopyrite | chert | chlorapatite | chlorite | chromite | chrysocolla |
| chrysotile | cinnabar | clinochlore | clinoptilolite | clintonite | colemanite | cookeite |
| copiapite | coquimbite | corrensite | corundum | cronstedtite | cummingtonite | cuprite |
| datolite | diaspore | dickite | diopside | dipyre | dolomite | dumortierite |
| elbaite | endellite | enstatite | epidote | epsomite | eugsterite | fassaite |
| ferrihydrite | fluorapatite | forsterite | galena | gaylussite | gibbsite | glauconite |
| glaucophane | goethite | grossular | gypsum | halite | halloysite | hectorite |
| hedenbergite | hematite | heulandite | hornblende | howlite | hydrogrossular | hydroxyl |
| hypersthene | illite | ilmenite | jadeite | jarosite | kainite | kaolinite |
| karpatite | kieserite | knebelite | labradorite | laumontite | lazurite | lepidocrocite |
| lepidolite | limonite | lizardite | maghemite | magnetite | malachite | margarite |
| marialite | mascagnite | meionite | microcline | mirabilite | mizzonite | monazite |
| monticellite | montmorillonite | mordenite | muscovite | nacrite | nanohematite | natrolite |
| nepheline | nephrite | niter | nontronite | oligoclase | olivine | opal |
| orthoclase | palygorskite | paragonite | parisite | pectolite | perthite | phlogopite |
| pigeonite | pinnoite | pitch | polyhalite | portlandite | prehnite | prochlorite |
| psilomelane | pyrite | pyrolusite | pyromorphite | pyrophyllite | pyroxene | pyroxmangite |
| pyrrhotite | quartz | rectorite | rhodochrosite | rhodonite | richterite | riebeckite |
| rivadavite | roscoelite | rutile | sanidine | saponite | sauconite | schwertmannite |
| scolecite | sepiolite | serpentine | siderite | siderophyllite | smaragdite | sodium |
| spessartine | sphalerite | sphene | spodumene | staurolite | stilbite | strontianite |
| sulfur | syngenite | talc | thenardite | thuringite | tincalconite | topaz |
| tourmaline | tremolite | trona | ulexite | uralite | uvarovite | vermiculite |
| vesuvianite | witherite | wollastonite | xenotime | zircon | zoisite | zunyite |
That’s a lot of minerals
Google maps styling function in teams